Patentable/Patents/US-7515510
US-7515510

Method and apparatus for managing disc defect using temporary DFL and temporary DDS including drive & disc information disc with temporary DFL and temporary DDS

PublishedApril 7, 2009
Assigneenot available in USPTO data we have
Inventorsnot available in USPTO data we have
Technical Abstract

A write once disc includes a defect management area that is present in at least one of a lead-in area and a lead-out area; a temporary defect management area that is present in at least one of the lead-in area and the lead-out area; and a drive & disc information area that is present in at least one of the lead-in area and the lead-out area. Information regarding the locations of temporary defect information and temporary defect management information is recorded in the drive & disc information area, the temporary defect information and temporary defect management information, which includes drive & disc information, are recorded in the temporary defect management area, and temporary defect information and temporary defect management information, which are lastly recorded in the temporary defect management area, are recorded in the defect management area for disc finalization.

Patent Claims
3 claims

Legal claims defining the scope of protection, as filed with the USPTO.

1

1. A recording medium for use with a recording and/or reproducing apparatus, the recording medium comprising: a record layer comprising a lead-in area, a data area, and a lead-out area; a defect management area in at least one of the lead-in area and/or the lead-out area; and a temporary defect management area in at least one of the lead-in area and/or the lead-out area and which includes temporary defect information and temporary defect management information including write protection information of the recording medium, wherein the temporary defect management information comprises position information of an area in which a defect occurs and information indicating whether the defect occurs in a single defect block or continuous defect blocks.

2

2. A recording and/or reproducing apparatus for use with a recording medium, the apparatus comprising: a recording/reading unit that records data on and/or reads data with respect to the recording medium; and a controller that controls the recording/reading unit to: record information regarding a defect in a data area of the recording medium, as temporary defect information in a temporary defect management area of the recording medium, and record management information for managing the temporary defect information as temporary defect management information in the temporary defect management area, the management information including write protection information of the recording medium, wherein the temporary defect management information comprises position information of an area in which a defect occurs and information indicating whether the defect occurs in a single defect block or continuous defect blocks.

3

3. A recording and/or reproducing apparatus for use with a recording medium, the apparatus comprising: a recording/reading unit that records data on and/or reads data with respect to the recording medium; and a controller that controls the recording/reading unit to read temporary defect information which is information regarding a defect in a data area, from a temporary defect management area comprising the temporary defect information and a temporary defect management information for managing the temporary defect information, wherein the temporary defect information comprises position information of an area in which the defect occurs and information indicating whether the defect occurs in a single defect block or continuous defect blocks.

Classification Codes (CPC)

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Patent Metadata

Filing Date

March 31, 2008

Publication Date

April 7, 2009

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Cite as: Patentable. “Method and apparatus for managing disc defect using temporary DFL and temporary DDS including drive & disc information disc with temporary DFL and temporary DDS” (US-7515510). https://patentable.app/patents/US-7515510

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